21(2-0.2)+12(0.2)=

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Solution for 21(2-0.2)+12(0.2)= equation:


21(2-0.2)+12(0.2)=0

We simplify the equation to the form, which is simple to understand 
21(2-0.2)+12(0.2)=0

Simplifying terms in parentheses
21*(+1.8)+12*(0.2)=0

Reorder the terms in parentheses
+(+37.8)+12*(0.2)=0

Remove unnecessary parentheses
+37.8+12+*( + 0.2+)=0

Reorder the terms in parentheses
+37.8+(+2.4)=0

Remove unnecessary parentheses
+37.8+2.4=0

We move all terms containing  to the left and all other terms to the right. 
0=0-37.8-2.4

We simplify left and right side of the equation. 
0=-40.2

0=-40.2

The left and right sides are not equal, therefore there is no solution. This equation is invalid.

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